Update ghcr.io/appgate/sdp-operator/sdp-operator Docker tag to v0.2.3

This MR contains the following updates:

Package	Type	Update	Change
ghcr.io/appgate/sdp-operator/sdp-operator	ironbank-docker	patch	0.2.2 -> 0.2.3
ghcr.io/appgate/sdp-operator/sdp-operator	stage	patch	0.2.2 -> 0.2.3

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